1. Palynology and age of the Kerri-Kerri Formation, Nigeria;Adegoke;Revista Española Micropaleontolia,1978
2. Geology of Red Deer and Rosebud Sheets, Alberta;Allan;Research Council of Alberta Report No,1945
3. Sporo-pyl'tsevaya kharakterucktika melovykh otlojhenii tsentral'nykh oblastei SSSR (Spores and pollen characteristic of Cretaceous deposits of central regions of USSR);Bolkhovitina;Trudy Geologicheskii Institut, Akadamiya Nauk SSSR,1953